KCET2019ChemistryElectrochemistry
An aqueous solution of ( CuSO ₄ ) is subjected to electrolysis using inert electrodes. The ( pH ) of the solution will
Options
- Adecrease
- Bincrease or decrease depending on the strength of the current
- Cincrease
- Dremains unchanged
Correct answer
A. decrease
Step-by-step solution
(A) At cathode : Cu ⁺²(a q)+2 e⁻ Cu ( s ) At anode : 2 H ₂ O O ₂+4 H ⁺+4 e⁻ Production of H ⁺ ions will decrease pH